Air suspension knee pad



FIG. 1 is a front elevational view of an air suspension knee pad showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The crosshatch shading shown in FIGS. 1 and 2 is understood to repeat throughout the indicated area. 

The ornamental design for a air suspension knee pad, as shown and described. 